Gamescom 2015: Halo 5 Guardians Multiplayer Heads to the Colosseum

New details about Halo 5: Guardians competive multiplayer is being shown at the Gamescom 2015 Xbox press event. The big showing is a newly announced map called Colosseum, which is a 4v4 arena with two bases.

Additionally, the Halo World Championship was announced to start this winter, with a $1 million dollar grand prize.